Dell Host Bus Adapter User's Guide HBA 355 and 350 Series

Dell HBA multipathing using Windows

1. Open the Server Manager.
2. Under Manage, select Add Roles and Features.
3. Follow the steps in the Add Roles and Features Wizard until you reach the Features step. Then, select the Multipath I/O feature for installation.
4. Complete the steps in the Add Roles and Features Wizard to complete the installation.
5. In the Server Manager, select Tools > MPIO.
6. Under the Discover Multipaths tab, select the Add support for SAS devices option and select OK.
   Restart the system.
7. To check that MPIO is enabled and manage the HBA Drives, open Device Manager and select Disk Drives.
   Drives that are accessible are now listed as a Multipath Disk Device.
8. Right-click a multipath disk and select Properties.
9. Click MPIO. You can set MPIO policies and check whether both the paths to the drive are active. If configured properly, both the paths display Active/Optimised under the This device has the following paths section. If only one path is listed, check the system storage assignment and hardware configuration.